Gulls

species: 
Herring Gull
scientific name: 
Larus argentatus
notes: 

Yellow ring with black 4 alpha-numeric code, startuing letter 'C'.

note 1 : up to 2014, a total of 2702 rings were delivered since 1996-2007.

note 2 :

email sighting submit: 
colour-ring type: 
Legring : one, coded.
colour-ring colour (of the c-ring): 
Yellow [Y]
colour-ring code (of the c-ring): 
Four alpha-numeric code (4 letters/numbers).
countries where ringed: 
Finland.
First letter/number (of the c-ring): 
C